... grammaticality of theinput. In other words, instead of deciding on thegrammaticality of the input, we can give an indica-tion of its grammaticality, quantified on the basis of the description of the ... ConstNP{Det, AP, N, Pro}(set of possible constituents of NP)In PG, each category of the grammar is de-scribed with a set of properties. A grammar is thenmade of a set of properties. Parsing an ... by means of a set of properties SC, let ACan assign-ment for the construction C,• P+= set of satisfied properties for AC• P−= set of violated properties for AC• N+: number of satisfied...